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| 1 | register | Circadian Endurance Challenge | 72 Hours, 100 Mile | Aug 31, 2025 | | Virtual | results |
| 2 | register | Dreadmill 48 Hour Endurance Challenge | 100 Miler, 48hrs | Dec 31, 2025 | | Virtual | results |
| 3 | register | Spring Surge Endurance Challenge | Hybrid (both indoors & outdoors), Outdoor Only, Indoor Only | Apr 05, 2026 | | | results |
| 4 | register | Spring Surge Endurance Challenge | Hybrid (both indoors & outdoors), Outdoor Only, Indoor Only | Apr 06, 2025 | | | results |
| 5 | register | Dreadmill 48 Hour Endurance Challenge | 100 Miler, 48hrs | Dec 31, 2024 | | Virtual | results |
